ApartmentList screenshot Apartment hunters and technology aficionados, take note: Vertical Brands, a San Francisco-based startup, this week officially launched what it claims is the "first online apartment matching engine." ApartmentList launched in public beta in July. The site uses Facebook integration and users' answers to a series of questions posed on the site to offer personalized apartment recommendations.The site allows users to log in using their Facebook account and then uses the information of where users and their friends check in to narrow down users' apartment search. Users can see where their friends have checked in on a map that also shows listing locations and Yelp-reviewed venues. The site further narrows searches through answers to questions such as "Are ...